Portal Images links

I suggest a minor usability improvement, by providing the portal Images with alternate link address, so that the link to the topic they correspond to not the file. Just as its handled on Wikipedia Portals or the Main page here. For example on this portal replace this image: with this:

Unless Template:Portal Linkbox is used anywhere other than on portals with the three parameters I seen here, this can be done for all portal links, in one quick edit by replacing the segment in the first line, with the one on the second: